In 2017, many changes impacted the HVACR, HVAC climate control
industry. New technologies emerged that changed the way we do
business – most for the better! But they also brought a shift in
the way we...

A common problem facing refrigeration and air conditioning service
technicians and contractors is that of superheat hunting by
thermostatic expansion valves (TEVs). Here is a better
understanding of a...

Refrigerant choices for refrigeration systems are undergoing
significant change, including choices for retrofits and new
systems. This article is Part 1 of a 3 part series addressing such
retrofits,...

In order to understand the principles of thermostatic expansion
valve operation, a review of its major components is necessary. A
sensing bulb is connected to the TEV by a length of capillary
tubing...